Example 5 - Chapter 14 Class 8 Factorisation
Last updated at Dec. 26, 2018 by Teachoo
Transcript
Example 5 Factorise 4π¦^2 β 12y + 9 4π¦^2 β 12y + 9 = γ(2π¦)γ^2 β 12π¦+(3)^2 = γ(2π¦)γ^2 β 2Γ2π¦Γ3 +(3)^2 = γ(2π¦)γ^2+ (3)^2 β2Γ2π¦Γ3 Using (πβπ)^2 = π^2+π^2β2ππ Here π=2π¦, π=3 = (γππβπ)γ^π
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